[OpenLayers-Trac] [OpenLayers] #2822: Scale control: Implement methods activate/deactivate.

[OpenLayers]

#2822: Scale control: Implement methods activate/deactivate.
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 Reporter:  jorix          |       Owner:              
     Type:  feature        |      Status:  new         
 Priority:  minor          |   Milestone:  2.11 Release
Component:  Control.Scale  |     Version:  2.10 RC2    
 Keywords:                 |       State:              
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 The attached patch implements the methods activate/deactivate on the
 control.

 The patch includes a specific test.

 The tests work well in: FF368, IE8, Chrome6 & Safari5.

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Ticket URL: <http://trac.openlayers.org/ticket/2822>
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